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// $Id: exampleN03.cc,v 1.37 2009/10/30 15:06:01 allison Exp $
// GEANT4 tag $Name: geant4-09-04-beta-01 $
//
//
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#include "G4RunManager.hh"
#include "G4UImanager.hh"

#include "Randomize.hh"

#include "ExN03DetectorConstruction.hh"
#include "ExN03PhysicsList.hh"
#include "ExN03PrimaryGeneratorAction.hh"
#include "ExN03RunAction.hh"
#include "ExN03EventAction.hh"
#include "ExN03SteppingAction.hh"
#include "ExN03SteppingVerbose.hh"

#ifdef G4VIS_USE
#include "G4VisExecutive.hh"
#endif

#ifdef G4UI_USE
#include "G4UIExecutive.hh"
#endif

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int main(int argc,char** argv)
{
  // Choose the Random engine
  //
  CLHEP::HepRandom::setTheEngine(new CLHEP::RanecuEngine);
  
  // User Verbose output class
  //
  G4VSteppingVerbose::SetInstance(new ExN03SteppingVerbose);
     
  // Construct the default run manager
  //
  G4RunManager * runManager = new G4RunManager;

  // Set mandatory initialization classes
  //
  ExN03DetectorConstruction* detector = new ExN03DetectorConstruction;
  runManager->SetUserInitialization(detector);
  //
  G4VUserPhysicsList* physics = new ExN03PhysicsList;
  runManager->SetUserInitialization(physics);
    
  // Set user action classes
  //
  G4VUserPrimaryGeneratorAction* gen_action = 
                          new ExN03PrimaryGeneratorAction(detector);
  runManager->SetUserAction(gen_action);
  //
  ExN03RunAction* run_action = new ExN03RunAction;  
  runManager->SetUserAction(run_action);
  //
  ExN03EventAction* event_action = new ExN03EventAction(run_action);
  runManager->SetUserAction(event_action);
  //
  G4UserSteppingAction* stepping_action =
                    new ExN03SteppingAction(detector, event_action);
  runManager->SetUserAction(stepping_action);
  
  // Initialize G4 kernel
  //
  runManager->Initialize();
  
#ifdef G4VIS_USE
  // Initialize visualization
  //
  G4VisManager* visManager = new G4VisExecutive;
  visManager->Initialize();
#endif
  
  // Get the pointer to the User Interface manager
  //
  G4UImanager* UImanager = G4UImanager::GetUIpointer();
  
  if (argc!=1)   // batch mode
    {
      G4String command = "/control/execute ";
      G4String fileName = argv[1];
      UImanager->ApplyCommand(command+fileName);    
    }
  else
    {  // interactive mode : define UI session
#ifdef G4UI_USE
      G4UIExecutive* ui = new G4UIExecutive(argc, argv);
#ifdef G4VIS_USE
      UImanager->ApplyCommand("/control/execute vis.mac");     
#endif
      if (ui->IsGUI())
	UImanager->ApplyCommand("/control/execute visTutor/gui.mac");     
      ui->SessionStart();
      delete ui;
#endif
    }
  
  // Job termination
  // Free the store: user actions, physics_list and detector_description are
  //                 owned and deleted by the run manager, so they should not
  //                 be deleted in the main() program !
#ifdef G4VIS_USE
  delete visManager;
#endif                
  delete runManager;

  return 0;
}

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